What is the name of the most radioactive isotope on the planet?
Rad 226
Uranus 235
Polonium 210
plutonium 244
210Po is extremely toxic, with one microgram being enough to kill the average adult (250,000 times more toxic than hydrogen cyanide by weight). 210Po was used to kill Russian dissident and ex-FSB officer Alexander V. Litvinenko in 2006.
reach: rather globalchemical elementschemistryisotopesphysicsradioactivity
Answers by country
Rad 226
Uranus 235
Polonium 210
plutonium 244
answers

19

17

35

88

37

11

205

151

34

1990

11

52

12

10